Wireless headset



FIG. 1 is a front perspective view of the wireless headset;

FIG. 2 is a back perspective view of the wireless headset;

FIG. 3A is a top plan view of the wireless headset;

FIG. 3B is a side plan view of the wireless headset;

FIG. 3C is a front plan view of the wireless headset; and,

FIG. 4 is a back plan view of the wireless headset. 

We claim the ornamental design for a wireless headset, as shown and described. 